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Chemical Reactions of Sulphur Species in Cryolite-Based Melts

M. Ambrová, P. Fellner, J. Gabčová, and A. Sýkorová

Department of Inorganic Technology, Faculty of Chemical and Food Technology, Slovak University of Technology, SK-812 37 Bratislava

 

E-mail: marta.ambrova@stuba.sk

Received: 27 September 2004

Abstract: Chemical reactions of sulphur compounds in the electrolyte used for electrowinning of aluminium were investigated. It was found that sulphate ions are reduced both by carbon and by aluminium under the formation of sulphides and SO2 . The amount of sulphur reduced to sulphides was in some cases as high as the amount of sulphur escaping in the form of SO2.

Full paper in Portable Document Format: 594a235.pdf

 

Chemical Papers 59 (4) 235–239 (2005)

Monday, February 06, 2023

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